Detachable pipe sections



y .1. N. .ulxcoBsENl 1,817,691 DETAGHABLE PIPE sg-:cTIoNs Filed JulyA 5.. 1927 Ang. 4, 1931,

3 Sheets-Sheet, l

Aug. 4, 1931; J, N. JAcoBsEN '1,817,691

* DETAGHABLE PIPE sEcTIoNs Filed July 5, 1927 s @est-sheet 2 Aug; 4, `1931; J. N. JAcqbBsl-:N 1,817,691

' y --DBTAGHABLE PIPE sEcTIoNs Y med July s. 1927 ssneets-sneet s' INVENTOR @ATTORNEYS Patented Aug.V 4;;1931

UNITED STA riss' taime;

PATEJN Y .TENS N. JAooBsENyoF ALAMEDA, CALIFORNIA, Assis-Molero THE PFLAUDER COMPANY, or ROCHESTER-NEW vom; A coRPonArroN oF NEW YORK Ynravisseurs PIPE sEoTIoif-s Application vfiled my 5,

The present invention relates to sanitary piping and has for its object to provide an improved piping .arrangement in, vvlich one or more sections of the piping may be quickly applied or removed Without the use Y'of threaded or'other forms of couplings having pockets in which the liquid will be trapped and Without having to force or spring lapart lthe ends ofthe pipes in order to remove one section fromv anotheras necessary With vthe piping connections heretofore yin y use.

A further object of the inventionis to provide an improved method of connecting piping which vvillfpermit one or more of a' number of pipe sections to be positioned between or removed from its opposing sections Without Wedging thereon or obstruction thereby and which is joined vvith the opposing sections by clamping elements arranged tol svvingto and from securing position. p

' f A Yfurther object of the invention is to provide a piping system. including a series ,of pipes having connecting heads with inclined seats at each point of connection, the seats Aon the ends ofthe individual sections in certain cases being'inclinedin opposite directions to A Y facilitate bodily movement of onesection from engagement with its opposing sections Without having tospring aparttheends of said sections, the connected 'ends being secured by pivoted clamping members extending substantially *atl right angles to theiinclinedabutting faces of each joint and arranged to swing clearof the section to bere moved whereby a lateral or swinging movement of sai'dvsection is permitted to free it from its opposingvr sections and whereby a Wedging or binding actionbetWeen the ends vof the fixed andV removable sections is avoided 40 When detaching one from the other. f

A further obj ect of the invention is to provide'an improved piping system Whichcan be economically installed and maintained and `one in which the joints of the different sections of pipinga-re so constructed as .to render the sections entirely free from pockets in `Which liquid may collectvvhich is objectionable from a sanitary standpoint, as for,

example inmilk treatingor pasteurizing sys tems WhereV the milk may collect andremain 1,927. seriai No. 203581..

vbetween the treating periods andfurther to so construct the piping as to permit quick re-` moval of any one section thereof Without the roFFIcl-:j

use of threaded-'couplingsrlvvliich,-for differa `ent reasons are objectionable7 but particular-` ly due to the fact that the mill: Willjcollect in the threaded joints vvhere it Will remain and cause an unsanitary condition. c Y To 4these and other ends the lnventionresides vin certain improvementsl and Vcombin a-V tions of parts, all,` as Will be hereinaftermore vfully described, vthe novel features being pointed outrin rthe claims at the end" of the l V specification. Y n,

In the drawings: l i Figure 1 is a vievv illustrating one embodiment of the invention showing by way of Ye: ample Vthe manner of connecting separate tanks with the presentsystem of piping.; c. Figure 2 is an enlarged detail section taken through one of the pipe joints shown in 'Figurel; f Y j y j c j Figure 3 is a view showing a different form of connection Ybetween shown in Figure-l;V ,l f i l Y c Figure 4L is a similar view showing the clamping members swung to release position andthe detachable section raisedtomelease' position;

' Figure 5 `tion taken longitudinally joints shovvnin Figurel; j Figure is a transverse section taken on line (3a-6a of Figuref;

through4 one ofthe Figure lTais a Jragmentary view showing the piping A type of joint;`

.0i sections connected v by a modified Figure 8 Ais an enlarged Afi'agmentary -secytion taken longitudinallythrough` the joint f@ shown in Figure removed; i

` Figure, 9 is an 'tion showing an elbovv connection of the;

ground-joint type: and

Figure 10 is a fragmentary section of a ground-joint connection for pair of aligned pipe sections. Y

-v Similar reference numerals throughout the severall views indicate the .same parts. t In the present system of piping, applicant 7 With one section of piping the tanks from that enlarged fragmentary sec-H longitudinal' f is an anlarged fraginentary` se-v Y has not only avoided the use of detachable unions, Ts and elbows of the threaded type but has so constructed the piping as to make it practical to directly connect the different sections without the employment of detachable couplings which require the pipes to be sprung apart when disconnecting the same, as in the case of the ordinary union where the tapering seat portions overlap or project one into another and are held together by an internally threaded nut.

Other types of couplings have also been employed but in none so far as applicant is aware has it been proposed to form the ends of the various pipe sections in such a manner that one section can be removed from or applied directly to the opposing sections by a lateral or swinging movement without having to spring the sections apart as is necessary with the present forms of pipe couplings.

Referring to the drawings 10 and 11 represent spaced liquid holding tanks or containers, such for example, as may be employed in connection with milk treating or pasteurizing systems. 1n the formof connection shown in Figure 1, relatively short pipes 12 and 18 extend from the tanks 10 and 11, respectively. TWith Ythis arrangement four intermediate pipes 14, 15, 15a and 16 complete the connection between the tanks, it being understood, however, that this particular arrangement is merely illustrative of one manner of connecting two or more containers by the present system of piping. In the arrangement shown in Figure 1 each pipe section forms a unit,`embodying a pipe proper having fixed on its ends in any suitable manner, preferably by welding, fitting adapted to cooperate with a similar head on an adjacent pipe section. r1`he pipe sections shown'in Figure 1 have on their adjacent ends flanged heads 17 and 18 for connecting angularly disposed sections of piping as shown inFigures 1 and 8 while the straight or aligned sections of piping .15 and 15a have on their adjacent ends theflanged heads 19 and 2O which are enlarged and shown in section in Figure 5. In Figure 8 the heads 17 are connected by a pipe section 16a forming a unit which can be lifted as such from coupling position as shown in Figure 4t. The heads 17 and likewise the heads 19 are each provided with an angularly disposed flange 21 having an annular recess in which is disposed a gasket 22 as shown in Figure 5. Each of the heads 18 and 20 is provided with an angularly disposed flange 28 having an upstanding annular bead or projection 24 adapted when the heads are clamped together'. to project within the gasket as shown in Figure 5 whereby to insure a more perfect joint between the opposed flanges of the heads. The flanges 21 of the heads 17 are chamfered'or beveled as shown at 21a to facilitate removal a head or' of one pipe section from another. Each pair of heads 17 and 18 and likewise the heads 19 and 20 are tightly clamped together by a bail 25 having its extremities seated on boss like projections 26 on the heads 18 and 20 as j shown in Figure 6. The bail is free to swing on pivot bolts 27 extending through its ends and threaded into the bosses 26 at opposite sides of the heads. The heads 17 and 19 are provided with boss like projections 28 having recesses 29 for receiving the inner rounded ends of the clamping screws 80, threaded through the central portions of the bails as shown in Figures 5 and 6. The screws are provided with handles 81 for adjusting the same in order that the bails may be released and swung to and from securing position as shown in Figure f1. j

A slight difference iu the type of joint shown in Figure 2 over that shown in Figure 5 embodies the use ol an additional gasket 82 disposed inwardly of the sket 22 to more perfectly seal the joint between the flanges of the heads 17 and 18. This additional gasket may also be employed with the type of joint shown in Figure 5 if desired.

1n Figures 7 to 10, inclusive, the gaskets have been omitted and groundr oints shown instead between the different forms 0f couplings disclosed in these views.`

ln Figure 7 the tank 88 carries a short pipe 84 on which is mountedl a new form of T 85, the oppositely inclined seat portions 86, of which are adapted to receive the flanges 87 of the heads 88 with which are suitably connected, as by welding, the pipes 89 and 89a. The ground joints between the T and heads are indicated at l0 in Figure 8. The bails 25 are pivoted, to the opposite ends of the T by bolts 27 in a similar manner to that shown in y.

Figure 6, the recessed projections 28 on the heads 88 for receiving the rounded ends of the clamping screws being also of the same as indicated in Figure 5.

The-new form of T or angular coupling has the important advantage of permitting the angular'ly disposed pipes 84 and 89 shown in Figure 8 to be cleaned out by the use therein ofa swab or other suitable cleaning member which can be readily inserted in both of said pipes through the same end of the T. This is made possible by shifting the portion 811e. ofthe T from its usual position at the center thereof to one endl and incliningy the seat 40 in the manner shown in Figure 8 to provide aV clear opening common to both branches of the T, that is, when the lefthand pipe sectionV 89a is removed.V In this construction the axes of the pipes 84 and 89 intersect at one end of the T rather than in the middle thereof as in the usual form of T construction. Thus, a swab with a straight handle can be used to clean both pipes 84 and 89 by passing it in different directions through the opening at the left hand end of the T as viewed in Figure 8.

In Figure 9, the elbow construction is the same as that shown in Figure 2 except'that the gaskets are omitted and a ground joint 4l employed between the flanges 42 and43 of the heads 44 and 45 which are adapted to receive the pipes 46 and 47, respectively, in the same manner as shown in Figure 2. The parts for clamping the heads together are the same as in the other viewsI and therefore have been given the same reference characters Likewise the oint shown in Figure corresponds to that shown in Figure 5, except that the gasket is omitted and a ground joint 48 employed between the flanges 49 and 50 of the heads 51 and 52, connecting the pipes 53 and 54, which are preferably secured Within the heads in the same manner as indicated in the other types of joints described above. The heads in Figure-1() are also clamped together through the medium of the same parts employed in the other forms of joints shown, including the bail and clamping screwY 30. It will be seen, therefore that with each type of joint shown, any given section of piping forming a portion of the whole can be quickly removed from the system without having to unscrew the usual couplings, unions and the like. Furthermore, with the previous forms of connections the tapering seats of the opposing parts project one within the other, thus making it necesary to spring the sections apart, which is a more or less diiiicult operation and which oftencauses injury to the threads of the adjacent sections, to the extent that the joints become leaky.

While I am aware that it has been proposed to clamp certain forms of pipe couplings together rather than threadedly connect the same, in no case, so far as I am informed has it been possible to bodily remove one section of piping from between opposing sections without detaching any of the parts thereof or f without springing the ends of the sections apart, for the reasons explained above, or without providing relatively large joints in which pockets are formed and which trap the liquid and render the piping unsanitary and 50 unsatisfactory for service in connection with milk treating systems or otherv liquid storing or handling systems. The present invention, for the reasons stated above, embodies a sanitary and economical form of piping in which any section is removable as a unit, merely by loosening its clamping screw and swinging the bail to release position in order that the section may be moved bodily from between its opposing sections without wedging and without separate detachment of any of the parts serving to connect the sections together.

In the piping system embodied in the pres- I ent invention the internal diameter of the pipes is uniform throughout and there are no pockets in theV heads or couplings, or at any'other point in which liquid will collect when the supply is temporarily cut off from therefrom. This is particularly important in `milk handling'or treating systems, where it is necessary to prevent the collection of small quantities of milk in the piping to avoid the unsanitary conditions resulting therefrom.

Another advantage of the detachable pipe sections of the present invention is that a swab or cleaning tool can readily be run through a number of non detached pipe sections after removing one of the units in the system, for the reason that the elbow couplings, when one part is detached from the 1. In apparatus of the class described', the

combination with a pair of aligned pipe sections and a transversely extending pipe section, of a headconnecting said sections including angularlydisposed branches, 'said head having an op-ening through which a cleaning tool may be inserted into both branches` when one of the sections is detached by moving the tool in paths coaxial with said branches, said head having a seat for one of the alined sections surrounding said opening at the point of intersection of the alined and transversely extending pipe sections.

pair of connected pipe sections having angularly disposed intersectingbores terminating in a common opening defined by a surrounding seat for the reception of a thirdsection, the axis of said opening'being intersected by the axes of said bores substantially at the point of intersection of said axes, said kopening permitting of the movement therethrough of a cleaning tool for said bores into and axially of either of the bores.

3; In apparatus of the class described, a pipe section, a pair of pipes each extending at an angle to said pipesection, a head connecting said pipesfand pipe section and having angularly disposed bores terminating in a common opening defined by a surrounding seat with which one of said pipes is detachably connected, the axes of said bores intersecting at a point substantially in the plane of the seat andmeans operating to clamp Said detachable pipe uponsaid seat.

JENS N. lJACOBSEN.

the pipes and the liquid allowed to drain 2. In apparatus of the class described, a

CERTIFICATE 0F CORRECTION.

Patent No. 1,817,691. Granted August 4, 1931, to

JENS N. JACOBSEN.

It is hereby certified that the name of the assignee in the above numbered patent was erroneously7 written and printed as "The Pflauder Company", `whereas said name should have been Written and printed as The Paudier Company, as shown by the records o assignments in this office; and that the said Letters Patent should be read with this correction therein that the same may conform to the record oi the case in the Patent Office.

Signed and sealed this 22nd day of September, A. D. 1931..

M. J. Moore, (Seal) Acting Commissioner of Patents. 

